<template>
  <view class="cart-container" v-if="cart.length">
     <!-- 选择收货地址 -->
     <my-address></my-address>
    
    <!-- 购物车商品列表的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 描述文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
    <!-- 商品列表区域 -->
    <uni-swipe-action>
      <block v-for="(goods, i) in cart" :key="i">
        <uni-swipe-action-item :rightOptions="options" @click="swipeActionClickHandler(goods)">
          <my-goods @radio-change="radioChangeHandler" @num-change="numberChangeHandler" :showNum="true" :showRadio="true" :goods="goods"></my-goods>
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>
     <!-- 结算区域 -->
    <my-settle></my-settle>
        
  </view>
  <!-- 空白购物车区域 -->
   <view class="empty-cart" v-else>
      <image src="/static/logo.png" class="empty-img"></image>
      <text class="tip-text">空空如也~</text>
    </view>
</template>

<script>
import { mapState,mapMutations } from 'vuex'
// 导入自己封装的 mixin 模块
import badgeMix from '@/mixins/tabbar-badge.js'
	export default {
    mixins:[badgeMix],
		data() {
			return {
				options: [{
          text: '删除', // 显示的文本内容
          style: {
            backgroundColor: '#C00000' // 按钮的背景颜色
          }
        }]
			};
		},
    computed: {
      ...mapState('m_cart',['cart'])
    },
    methods: {
      ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','saveToStorage','removeGoodsById']),
      radioChangeHandler(data) {
         console.log(data);  // my-goods 传递出来的数据
         // this.$store.commit('m_cart/updateGoodsState',data)
         // this.$store.commit('m_cart/saveToStorage')
         this.updateGoodsState(data)
         this.saveToStorage()
      },
      numberChangeHandler(data){
        console.log(data); // my-goods 传递出来的数据
        // this.$store.commit('m_cart/updateGoodsCount',data)
        // this.$store.commit('m_cart/saveToStorage')
        this.updateGoodsCount(data)
        this.saveToStorage()
      },
      // 滑动点击事件
      swipeActionClickHandler(data){
        // console.log(data); // 删除行的信息
        this.removeGoodsById(data.goods_id)
        this.saveToStorage()
      }
    },
	}
</script>

<style lang="scss">
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
    margin-left: 10px;
  }
}
.cart-container {
  padding-bottom: 50px;
}
.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;

  .empty-img {
    width: 90px;
    height: 90px;
  }

  .tip-text {
    font-size: 12px;
    color: gray;
    margin-top: 15px;
  }
}
</style>
